Combing-machine.



R. H. LUNN. COMBING MACHINE.

APPLICATION FILED FEB. I0, 1913.

Patented Jan. 18, 1916.

4 SHEETSSHET 1.

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THE COLUMBIA FLANUGRAPH C0 WASHINGTON. v C- R. H. LUNN.

COMBING MACHINE. APPLICATION FILED FEB. 10. 1913.

1,169,046. Patented Jan. 18, 1916.

4 SHEETS-SHEET 2- THE COLUMBIA PLANOGRAPH .CO WASHINONN, D. C.

R. H. LUNN. comma MACHINE.

APPLICATION FILED FEB. 10, 1913.-

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R. H. LUNN.

'COMBING MACHINE.

APPLICATION FILED FEB. 10, 1913.

1,169,046 Patented Jan. 18, 1916.

4 SHEETS-SHEET 4.

WITNESSES.

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ROBERT E. LUNN, 0F IBOWDON, ENGLAND.

COMBING-MAGHINE.

Specification of Letters Patent. Patented Jan. 18, 1916.

Application filed February 10,1913. Serial No. 747,435.

; To all whom it may concern Be it known that I, ROBERT- HOWARD LUNN, a British subject, residing at Bowdon, county of Chester, England, have in-' vented certain new and useful Improvements in Combing-Machines, of which the following is a specification.

My invention relates to improvements in driving the detaching mechanism of Heilmann or other combing machines with a similar detaching mechanism of the type in which the detaching roller shaft is driven by gearing to always maintain it in positively controlled connection with the cylinder shaft. 7 In this specification by detaching roller is understood the steel roller which in conjunction with the leather detaching roller performs the operation of detaching and piecing.

The mechanism for driving the detaching roller according to my invention consists of a cam or eccentric, which I use to produce'a reciprocating motion of rotation and a differential gear of any approved design (such as is used in roving frames to give the bobbins a speed greater or less than that of the fliers) to combine with or superimpose upon the reciprocating motion of rotation a continuous uniform motion of rotation obtained by gearing from the cylinder shaft or other suitable source of uniform motion, the amount and direction of the uniform rotation relatively to the reciprocation motion being adjusted to give the required resultant motion to the detaching rollers.

In order to more clearly illustrate the nature of the combination I append a diagram (Fig. 5) of the motion during one complete phase or nip. The curve A represents the rotation of the detaching roller, as produced by the cam or eccentric alone. It consists of a backward rotation from p to 'r and a forward rotation from r to p. B( represents to the same scale, the uniform rotation which the detaching roller would have if the cam or eccentric were stationary. The. resultant motion is represented by the curve C Whose ordinates are the sum ofthe corresponding ordinates of A and B. This diagram gives a specimen combination; the detaching roller is stationary from p to q, backing oil from q to 1', and moving forward from 1" to p. It is self-evident that by varying either the form of the cam, or the amount of the uniform motion, or both, the

number of forms of motion is endless; the motion may be made variable and transitrons 1n speed and direction of rotation can be made to take place at any required time and with a. softness and absence of shock unattainable with intermittent gears.

The invention is equally applicable to the. ordinary Heilmann comber and to combers of the so-called continuous piecing type, v1z., combers in which the detaching roller duringpiecing gradually advances on the combed tuft, seizing and drawing out sucpers (as in the Nasmith comber) or the detaching rollers (as in the Delette comber). The rotations of the detaching roller required for backing off and piecing are considerably greater than those of the standard Heilmann comber.

The mechanism for carrying out the invention is here described with reference to the accompanying drawings which give two examples of its application.

Figure 1. is a side elevation and Fig. 2. is a plan of the mechanism as applied to continuous piecing comber with rocking de-' taching rollers. Fig. 3. is a side elevation and Fig. 4. is a plan of the mechanism as applied to an ordinary Heilmann comber. Fig. 5. is a diagrammatic curve of motion of one complete cycle of detaching roller.

cessive rows of fibers, this is effected by mounting on rocking levers either the nip- The drawings show only those parts of I the machine with which this invention is concerned, the rest of the machine being made to any of the present well known designs.

In all four drawings A is the comb cylinder shaft, C is the detaching roller, E is a quadrant operated by the cam F, keyed on the shaft B. The cam, which may with equal advantage be keyed on the comb cylinder shaft, drives the quadrant E which V in thetrain a a a a of forward rotation but decreases the amount of backing-off on the other hand a decrease the gear wheel a keyed on the shaft A which gears with the carrier gear wheel a keyed on the same shaft as the gear wheel a which in turn transmits its motion to the wheela keyed to the sleeve or bush of the differential gear box G. The reciprocating.

motion is obtained from the cam F which imparts oscillating or reciprocating motion to the quadrant E which gears with the pinion 6 and imparts asimilar motion thereto.

The pinion e is keyed tothe shaft D to which is also keyed the firstpinion of the differential gear. 7

The last pinion of the differential gear, to the boss of which is keyed the gear wheel 95 is loose on'the shaft D. The gear wheel 9 transmits its motion through In Figs. 1 and 2 as the detaching roller has a reciprocating motion of translation bodily,-

the carrier wheel between the wheel g and the pinion onCis mounted on a system of links (not shown in the drawings) which keep the three wheels in gear in all positionsof the pinion on (J. This oscillatory motion by rolldetaching roller, as shown in the drawings,

I may mount it directly on theextension of the detaching roller; I niay'also dispense with the quadrant. and the pinion gearing with it; in such case in place of the quadrant pinion I attach tothe end of the shaftan armicarrying at its ends the bowl which, engages with the same; the reciprocating motion is then transmitted from cam to dif? ferential train without the medium of toothed gearing. The mechanism admits of making easily and quickly any alteration which the nature of the material may require.

By employing-a wheel 9 of greater diameter the-entire movementbacking off and forward rotationis increased pro-p0rtion-. ately,and vice versa. An increase in the amount of the uniformmotionby a change increases theamount of the uniform motion reduces the forward Copies of this patent may be obtained for a suitable gearing to the detaching rollersha-ft C.

rotation and increases the backing-off. Also by moving the cam on the shaft the rotation of the detaching rollers may be made to take place earlier or later relatively to the operation of the other parts of the comber without affecting the proportions and relative timing of the backing-off and forward rotation.-

In the example described between 72 and g the two motions are so proportioned as to neutralize each other; "and the detaching rollers are stationary, as is the usual prac-' tice. It would be, however; a distinct-ad vantage to keep the-detaching rollers moving during the whole of this phase; and this is very simply; done by so pro-portioning thetwo motions that they "do not balance,

dotted lines in Fig. 5;

What I claim as my invention and desire to'protect by Letters Patent is but-give the detaching rollersa small move- 'mentpreferably backward as shown :in

'1. In a combing machine the combination with the detaching rollers of a differential gear, mechanism for producing reciprocal motion driving one member of the gear and a source of uniform motion coupled and giving constant driving motion'to another member of the differential gear.

2; In a combing machine the combination with the detaching rollers of a differential gear and means for driving the same in which the differential gear hasone of its gear-elements driven reciprocally, a second gear element driven constantly in one direction, and the third gear element connectedwith the detaching rollers.

3. In a combing machine the combination I with the detaching rollers and a differential gear for driving the rollers of a cam by which a reciprocating motion is imparted. and gearing by which a constant motion is imparted, the ratiobetween the reciprocating motion of rotation and the constant mo tion of rotation being such that the detaching rollers have a smallbackward motion at one stage of :thephase.

In testimony whereof I have hereunto set my hand in'presenc'e of two subscribing witnes'ses.

i I R. H. L N. Witnesses: j

V J. OWDEN OBRLEN, F JGEO. H. OBRniN.

five cents each, by addressing the (Commissioner of Patents, Washington, D. C. r I I 

